Global Patent Index - EP 2239637 B1

EP 2239637 B1 20220720 - Timepiece wheel train and timepiece

Title (en)

Timepiece wheel train and timepiece

Title (de)

Uhrenübersetzungsgetriebe und Uhr

Title (fr)

Train d'engrenages d'une pièce d'hologerie, et pièce d'hologerie

Publication

EP 2239637 B1 20220720 (EN)

Application

EP 10159095 A 20100406

Priority

  • JP 2009091844 A 20090406
  • JP 2010014306 A 20100126
  • JP 2010046440 A 20100303

Abstract (en)

[origin: EP2239637A2] A timepiece wheel train including a rotating body with a shaft unit, a bearing unit that rotatably supports the shaft unit of the rotating body, and a lubricating oil in which powder from a diamond-like carbon film is dispersed disposed between the shaft unit and the bearing unit.

IPC 8 full level

G04B 31/08 (2006.01); C10M 125/02 (2006.01); C10M 169/04 (2006.01); G04B 31/004 (2006.01); G04B 31/06 (2006.01); G04C 3/14 (2006.01); C10N 40/06 (2006.01)

CPC (source: EP US)

C10M 125/02 (2013.01 - EP US); G04B 31/004 (2013.01 - EP US); G04B 31/06 (2013.01 - EP US); G04B 31/08 (2013.01 - EP US); C10M 2201/041 (2013.01 - EP US); C10N 2040/06 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DOCDB simple family (publication)

EP 2239637 A2 20101013; EP 2239637 A3 20161130; EP 2239637 B1 20220720; JP 2011174905 A 20110908; JP 5526870 B2 20140618; US 2010254230 A1 20101007; US 8167481 B2 20120501

DOCDB simple family (application)

EP 10159095 A 20100406; JP 2010046440 A 20100303; US 75338010 A 20100402